/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/bitvector/s3_clnt_3.BV.c.cil-2a.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 14:54:21,592 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-09-24 14:54:21,658 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 14:54:21,660 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 14:54:21,663 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 14:54:21,665 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 14:54:21,666 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 14:54:21,668 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 14:54:21,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 14:54:21,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 14:54:21,680 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 14:54:21,681 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 14:54:21,683 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 14:54:21,683 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 14:54:21,695 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-24 14:54:21,715 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 14:54:21,717 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 14:54:21,718 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 14:54:21,719 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 14:54:21,768 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 14:54:21,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 14:54:21,771 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 14:54:21,771 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 14:54:21,771 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 14:54:21,772 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 14:54:21,772 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 14:54:21,772 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 14:54:21,773 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 14:54:21,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 14:54:21,774 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 14:54:21,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 14:54:21,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 14:54:21,775 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 14:54:21,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 14:54:21,775 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 14:54:21,775 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 14:54:21,775 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 14:54:21,776 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 14:54:21,776 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 14:54:21,776 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 14:54:21,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 14:54:21,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 14:54:21,777 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 14:54:21,777 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 14:54:21,777 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 14:54:21,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 14:54:21,778 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 14:54:21,778 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 14:54:21,778 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> false [2020-09-24 14:54:22,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 14:54:22,392 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 14:54:22,399 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 14:54:22,401 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 14:54:22,401 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 14:54:22,402 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector/s3_clnt_3.BV.c.cil-2a.c [2020-09-24 14:54:22,489 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/09d95c9d9/0b65c2e662884790a87422e2335631d3/FLAGb55af0ea1 [2020-09-24 14:54:23,101 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 14:54:23,101 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/bitvector/s3_clnt_3.BV.c.cil-2a.c [2020-09-24 14:54:23,120 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/09d95c9d9/0b65c2e662884790a87422e2335631d3/FLAGb55af0ea1 [2020-09-24 14:54:23,390 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/09d95c9d9/0b65c2e662884790a87422e2335631d3 [2020-09-24 14:54:23,406 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 14:54:23,413 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 14:54:23,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 14:54:23,414 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 14:54:23,419 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 14:54:23,420 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 02:54:23" (1/1) ... [2020-09-24 14:54:23,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c2e2a80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:54:23, skipping insertion in model container [2020-09-24 14:54:23,426 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 02:54:23" (1/1) ... [2020-09-24 14:54:23,435 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 14:54:23,513 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 14:54:23,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 14:54:23,829 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 14:54:23,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 14:54:23,988 INFO L208 MainTranslator]: Completed translation [2020-09-24 14:54:23,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:54:23 WrapperNode [2020-09-24 14:54:23,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 14:54:23,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 14:54:23,990 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 14:54:23,990 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 14:54:24,008 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:54:23" (1/1) ... [2020-09-24 14:54:24,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:54:23" (1/1) ... [2020-09-24 14:54:24,019 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:54:23" (1/1) ... [2020-09-24 14:54:24,020 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:54:23" (1/1) ... [2020-09-24 14:54:24,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:54:23" (1/1) ... [2020-09-24 14:54:24,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:54:23" (1/1) ... [2020-09-24 14:54:24,051 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:54:23" (1/1) ... [2020-09-24 14:54:24,056 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 14:54:24,057 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 14:54:24,057 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 14:54:24,057 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 14:54:24,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:54:23" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 14:54:24,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 14:54:24,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 14:54:24,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ssl3_connect [2020-09-24 14:54:24,134 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 14:54:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 14:54:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 14:54:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-09-24 14:54:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure ssl3_connect [2020-09-24 14:54:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 14:54:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 14:54:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 14:54:24,299 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-09-24 14:54:25,035 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2020-09-24 14:54:25,035 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2020-09-24 14:54:25,060 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 14:54:25,061 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-24 14:54:25,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 02:54:25 BoogieIcfgContainer [2020-09-24 14:54:25,069 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 14:54:25,070 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 14:54:25,071 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 14:54:25,078 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 14:54:25,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 02:54:23" (1/3) ... [2020-09-24 14:54:25,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@710061a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 02:54:25, skipping insertion in model container [2020-09-24 14:54:25,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:54:23" (2/3) ... [2020-09-24 14:54:25,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@710061a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 02:54:25, skipping insertion in model container [2020-09-24 14:54:25,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 02:54:25" (3/3) ... [2020-09-24 14:54:25,085 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.BV.c.cil-2a.c [2020-09-24 14:54:25,097 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 14:54:25,110 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 14:54:25,134 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 14:54:25,178 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 14:54:25,179 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 14:54:25,179 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 14:54:25,179 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 14:54:25,179 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 14:54:25,179 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 14:54:25,179 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 14:54:25,179 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 14:54:25,207 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states. [2020-09-24 14:54:25,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 14:54:25,225 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:54:25,226 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:54:25,227 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:54:25,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:54:25,235 INFO L82 PathProgramCache]: Analyzing trace with hash 663725490, now seen corresponding path program 1 times [2020-09-24 14:54:25,246 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:54:25,246 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1609992390] [2020-09-24 14:54:25,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:54:25,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:54:25,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:54:25,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:54:25,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 14:54:25,658 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1609992390] [2020-09-24 14:54:25,661 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 14:54:25,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 14:54:25,662 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760104923] [2020-09-24 14:54:25,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 14:54:25,670 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:54:25,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 14:54:25,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 14:54:25,691 INFO L87 Difference]: Start difference. First operand 350 states. Second operand 3 states. [2020-09-24 14:54:25,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:54:25,911 INFO L93 Difference]: Finished difference Result 577 states and 753 transitions. [2020-09-24 14:54:25,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 14:54:25,913 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-24 14:54:25,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:54:25,933 INFO L225 Difference]: With dead ends: 577 [2020-09-24 14:54:25,933 INFO L226 Difference]: Without dead ends: 317 [2020-09-24 14:54:25,939 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 14:54:25,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2020-09-24 14:54:26,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2020-09-24 14:54:26,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2020-09-24 14:54:26,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 375 transitions. [2020-09-24 14:54:26,009 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 375 transitions. Word has length 142 [2020-09-24 14:54:26,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:54:26,011 INFO L479 AbstractCegarLoop]: Abstraction has 317 states and 375 transitions. [2020-09-24 14:54:26,011 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 14:54:26,011 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 375 transitions. [2020-09-24 14:54:26,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-24 14:54:26,014 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:54:26,015 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:54:26,015 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 14:54:26,015 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:54:26,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:54:26,016 INFO L82 PathProgramCache]: Analyzing trace with hash 980116923, now seen corresponding path program 1 times [2020-09-24 14:54:26,016 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:54:26,017 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [654265168] [2020-09-24 14:54:26,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:54:26,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:54:26,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:54:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:54:26,178 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 14:54:26,178 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [654265168] [2020-09-24 14:54:26,179 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 14:54:26,179 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 14:54:26,179 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218348096] [2020-09-24 14:54:26,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 14:54:26,182 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:54:26,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 14:54:26,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 14:54:26,183 INFO L87 Difference]: Start difference. First operand 317 states and 375 transitions. Second operand 3 states. [2020-09-24 14:54:26,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:54:26,359 INFO L93 Difference]: Finished difference Result 534 states and 657 transitions. [2020-09-24 14:54:26,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 14:54:26,360 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2020-09-24 14:54:26,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:54:26,365 INFO L225 Difference]: With dead ends: 534 [2020-09-24 14:54:26,365 INFO L226 Difference]: Without dead ends: 345 [2020-09-24 14:54:26,367 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 14:54:26,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2020-09-24 14:54:26,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 335. [2020-09-24 14:54:26,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2020-09-24 14:54:26,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 398 transitions. [2020-09-24 14:54:26,409 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 398 transitions. Word has length 160 [2020-09-24 14:54:26,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:54:26,410 INFO L479 AbstractCegarLoop]: Abstraction has 335 states and 398 transitions. [2020-09-24 14:54:26,410 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 14:54:26,410 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 398 transitions. [2020-09-24 14:54:26,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-09-24 14:54:26,418 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:54:26,419 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:54:26,419 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 14:54:26,419 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:54:26,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:54:26,420 INFO L82 PathProgramCache]: Analyzing trace with hash -1724791051, now seen corresponding path program 1 times [2020-09-24 14:54:26,420 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:54:26,420 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1759143514] [2020-09-24 14:54:26,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:54:26,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:54:26,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:54:26,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:54:26,649 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 14:54:26,650 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1759143514] [2020-09-24 14:54:26,654 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 14:54:26,655 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 14:54:26,655 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611391610] [2020-09-24 14:54:26,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 14:54:26,657 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:54:26,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 14:54:26,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 14:54:26,659 INFO L87 Difference]: Start difference. First operand 335 states and 398 transitions. Second operand 4 states. [2020-09-24 14:54:27,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:54:27,120 INFO L93 Difference]: Finished difference Result 885 states and 1142 transitions. [2020-09-24 14:54:27,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 14:54:27,122 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 167 [2020-09-24 14:54:27,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:54:27,128 INFO L225 Difference]: With dead ends: 885 [2020-09-24 14:54:27,128 INFO L226 Difference]: Without dead ends: 678 [2020-09-24 14:54:27,131 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 14:54:27,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2020-09-24 14:54:27,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 382. [2020-09-24 14:54:27,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2020-09-24 14:54:27,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 453 transitions. [2020-09-24 14:54:27,167 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 453 transitions. Word has length 167 [2020-09-24 14:54:27,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:54:27,168 INFO L479 AbstractCegarLoop]: Abstraction has 382 states and 453 transitions. [2020-09-24 14:54:27,168 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 14:54:27,168 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 453 transitions. [2020-09-24 14:54:27,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-09-24 14:54:27,171 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:54:27,171 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:54:27,172 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 14:54:27,172 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:54:27,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:54:27,172 INFO L82 PathProgramCache]: Analyzing trace with hash -2007825220, now seen corresponding path program 1 times [2020-09-24 14:54:27,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:54:27,173 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [528931205] [2020-09-24 14:54:27,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:54:27,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:54:27,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:54:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:54:27,302 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-24 14:54:27,302 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [528931205] [2020-09-24 14:54:27,302 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 14:54:27,303 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 14:54:27,303 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132715263] [2020-09-24 14:54:27,304 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 14:54:27,304 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:54:27,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 14:54:27,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 14:54:27,305 INFO L87 Difference]: Start difference. First operand 382 states and 453 transitions. Second operand 3 states. [2020-09-24 14:54:27,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:54:27,373 INFO L93 Difference]: Finished difference Result 877 states and 1079 transitions. [2020-09-24 14:54:27,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 14:54:27,375 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 180 [2020-09-24 14:54:27,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:54:27,380 INFO L225 Difference]: With dead ends: 877 [2020-09-24 14:54:27,380 INFO L226 Difference]: Without dead ends: 623 [2020-09-24 14:54:27,382 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 14:54:27,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2020-09-24 14:54:27,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 621. [2020-09-24 14:54:27,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 621 states. [2020-09-24 14:54:27,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 752 transitions. [2020-09-24 14:54:27,409 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 752 transitions. Word has length 180 [2020-09-24 14:54:27,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:54:27,411 INFO L479 AbstractCegarLoop]: Abstraction has 621 states and 752 transitions. [2020-09-24 14:54:27,411 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 14:54:27,411 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 752 transitions. [2020-09-24 14:54:27,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-09-24 14:54:27,415 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:54:27,415 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:54:27,415 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 14:54:27,416 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:54:27,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:54:27,416 INFO L82 PathProgramCache]: Analyzing trace with hash 1957933229, now seen corresponding path program 1 times [2020-09-24 14:54:27,417 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:54:27,417 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1363206173] [2020-09-24 14:54:27,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:54:27,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:54:27,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:54:27,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:54:27,552 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-24 14:54:27,552 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1363206173] [2020-09-24 14:54:27,552 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 14:54:27,553 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 14:54:27,554 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590582747] [2020-09-24 14:54:27,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 14:54:27,555 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:54:27,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 14:54:27,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 14:54:27,556 INFO L87 Difference]: Start difference. First operand 621 states and 752 transitions. Second operand 3 states. [2020-09-24 14:54:27,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:54:27,769 INFO L93 Difference]: Finished difference Result 913 states and 1125 transitions. [2020-09-24 14:54:27,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 14:54:27,771 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2020-09-24 14:54:27,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:54:27,777 INFO L225 Difference]: With dead ends: 913 [2020-09-24 14:54:27,777 INFO L226 Difference]: Without dead ends: 659 [2020-09-24 14:54:27,779 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 14:54:27,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2020-09-24 14:54:27,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 641. [2020-09-24 14:54:27,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 641 states. [2020-09-24 14:54:27,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 777 transitions. [2020-09-24 14:54:27,813 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 777 transitions. Word has length 181 [2020-09-24 14:54:27,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:54:27,814 INFO L479 AbstractCegarLoop]: Abstraction has 641 states and 777 transitions. [2020-09-24 14:54:27,814 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 14:54:27,814 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 777 transitions. [2020-09-24 14:54:27,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-09-24 14:54:27,819 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:54:27,821 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:54:27,821 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 14:54:27,822 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:54:27,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:54:27,822 INFO L82 PathProgramCache]: Analyzing trace with hash 129935299, now seen corresponding path program 1 times [2020-09-24 14:54:27,823 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:54:27,825 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1454261865] [2020-09-24 14:54:27,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:54:27,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:54:27,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:54:27,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:54:27,985 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 14:54:27,986 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1454261865] [2020-09-24 14:54:27,987 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 14:54:27,988 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 14:54:27,988 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371247730] [2020-09-24 14:54:27,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 14:54:27,989 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:54:27,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 14:54:27,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 14:54:27,997 INFO L87 Difference]: Start difference. First operand 641 states and 777 transitions. Second operand 3 states. [2020-09-24 14:54:28,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:54:28,051 INFO L93 Difference]: Finished difference Result 1599 states and 1969 transitions. [2020-09-24 14:54:28,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 14:54:28,052 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 188 [2020-09-24 14:54:28,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:54:28,061 INFO L225 Difference]: With dead ends: 1599 [2020-09-24 14:54:28,061 INFO L226 Difference]: Without dead ends: 1086 [2020-09-24 14:54:28,063 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 14:54:28,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1086 states. [2020-09-24 14:54:28,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1086 to 1080. [2020-09-24 14:54:28,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1080 states. [2020-09-24 14:54:28,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 1080 states and 1313 transitions. [2020-09-24 14:54:28,121 INFO L78 Accepts]: Start accepts. Automaton has 1080 states and 1313 transitions. Word has length 188 [2020-09-24 14:54:28,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:54:28,122 INFO L479 AbstractCegarLoop]: Abstraction has 1080 states and 1313 transitions. [2020-09-24 14:54:28,122 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 14:54:28,123 INFO L276 IsEmpty]: Start isEmpty. Operand 1080 states and 1313 transitions. [2020-09-24 14:54:28,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-09-24 14:54:28,128 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:54:28,129 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:54:28,129 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 14:54:28,129 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:54:28,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:54:28,130 INFO L82 PathProgramCache]: Analyzing trace with hash 1932501654, now seen corresponding path program 1 times [2020-09-24 14:54:28,130 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:54:28,131 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [311116940] [2020-09-24 14:54:28,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:54:28,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:54:28,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:54:28,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:54:28,293 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-09-24 14:54:28,294 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [311116940] [2020-09-24 14:54:28,295 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 14:54:28,296 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 14:54:28,296 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722595633] [2020-09-24 14:54:28,297 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 14:54:28,297 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:54:28,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 14:54:28,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 14:54:28,299 INFO L87 Difference]: Start difference. First operand 1080 states and 1313 transitions. Second operand 3 states. [2020-09-24 14:54:28,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:54:28,396 INFO L93 Difference]: Finished difference Result 2050 states and 2515 transitions. [2020-09-24 14:54:28,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 14:54:28,397 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2020-09-24 14:54:28,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:54:28,406 INFO L225 Difference]: With dead ends: 2050 [2020-09-24 14:54:28,406 INFO L226 Difference]: Without dead ends: 1098 [2020-09-24 14:54:28,411 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 14:54:28,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1098 states. [2020-09-24 14:54:28,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1098 to 1088. [2020-09-24 14:54:28,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1088 states. [2020-09-24 14:54:28,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 1088 states and 1318 transitions. [2020-09-24 14:54:28,460 INFO L78 Accepts]: Start accepts. Automaton has 1088 states and 1318 transitions. Word has length 189 [2020-09-24 14:54:28,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:54:28,461 INFO L479 AbstractCegarLoop]: Abstraction has 1088 states and 1318 transitions. [2020-09-24 14:54:28,461 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 14:54:28,461 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1318 transitions. [2020-09-24 14:54:28,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-09-24 14:54:28,467 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:54:28,467 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:54:28,467 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 14:54:28,468 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:54:28,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:54:28,469 INFO L82 PathProgramCache]: Analyzing trace with hash -1261577978, now seen corresponding path program 1 times [2020-09-24 14:54:28,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:54:28,471 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1965979872] [2020-09-24 14:54:28,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:54:28,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:54:28,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:54:28,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:54:28,624 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-09-24 14:54:28,625 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1965979872] [2020-09-24 14:54:28,625 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 14:54:28,626 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 14:54:28,626 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142153054] [2020-09-24 14:54:28,627 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 14:54:28,627 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:54:28,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 14:54:28,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 14:54:28,628 INFO L87 Difference]: Start difference. First operand 1088 states and 1318 transitions. Second operand 3 states. [2020-09-24 14:54:28,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:54:28,701 INFO L93 Difference]: Finished difference Result 2605 states and 3182 transitions. [2020-09-24 14:54:28,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 14:54:28,702 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 191 [2020-09-24 14:54:28,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:54:28,714 INFO L225 Difference]: With dead ends: 2605 [2020-09-24 14:54:28,715 INFO L226 Difference]: Without dead ends: 1645 [2020-09-24 14:54:28,719 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 14:54:28,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1645 states. [2020-09-24 14:54:28,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1645 to 1643. [2020-09-24 14:54:28,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1643 states. [2020-09-24 14:54:28,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1643 states to 1643 states and 1985 transitions. [2020-09-24 14:54:28,788 INFO L78 Accepts]: Start accepts. Automaton has 1643 states and 1985 transitions. Word has length 191 [2020-09-24 14:54:28,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:54:28,788 INFO L479 AbstractCegarLoop]: Abstraction has 1643 states and 1985 transitions. [2020-09-24 14:54:28,789 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 14:54:28,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1643 states and 1985 transitions. [2020-09-24 14:54:28,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-09-24 14:54:28,795 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:54:28,796 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:54:28,796 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 14:54:28,796 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:54:28,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:54:28,797 INFO L82 PathProgramCache]: Analyzing trace with hash -1678974584, now seen corresponding path program 1 times [2020-09-24 14:54:28,797 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:54:28,798 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2133960162] [2020-09-24 14:54:28,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:54:28,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:54:28,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:54:28,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:54:28,931 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-24 14:54:28,931 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2133960162] [2020-09-24 14:54:28,932 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 14:54:28,932 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 14:54:28,939 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637352447] [2020-09-24 14:54:28,940 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 14:54:28,940 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:54:28,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 14:54:28,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 14:54:28,942 INFO L87 Difference]: Start difference. First operand 1643 states and 1985 transitions. Second operand 3 states. [2020-09-24 14:54:29,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:54:29,029 INFO L93 Difference]: Finished difference Result 2619 states and 3178 transitions. [2020-09-24 14:54:29,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 14:54:29,030 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 191 [2020-09-24 14:54:29,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:54:29,042 INFO L225 Difference]: With dead ends: 2619 [2020-09-24 14:54:29,042 INFO L226 Difference]: Without dead ends: 1659 [2020-09-24 14:54:29,045 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 14:54:29,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1659 states. [2020-09-24 14:54:29,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1659 to 1657. [2020-09-24 14:54:29,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1657 states. [2020-09-24 14:54:29,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1657 states to 1657 states and 1995 transitions. [2020-09-24 14:54:29,093 INFO L78 Accepts]: Start accepts. Automaton has 1657 states and 1995 transitions. Word has length 191 [2020-09-24 14:54:29,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:54:29,094 INFO L479 AbstractCegarLoop]: Abstraction has 1657 states and 1995 transitions. [2020-09-24 14:54:29,094 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 14:54:29,094 INFO L276 IsEmpty]: Start isEmpty. Operand 1657 states and 1995 transitions. [2020-09-24 14:54:29,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-09-24 14:54:29,099 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:54:29,100 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:54:29,100 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 14:54:29,100 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:54:29,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:54:29,101 INFO L82 PathProgramCache]: Analyzing trace with hash 2059637971, now seen corresponding path program 1 times [2020-09-24 14:54:29,101 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:54:29,101 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1860496826] [2020-09-24 14:54:29,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:54:29,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:54:29,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:54:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:54:29,215 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-24 14:54:29,215 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1860496826] [2020-09-24 14:54:29,216 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 14:54:29,216 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 14:54:29,216 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412340259] [2020-09-24 14:54:29,217 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 14:54:29,217 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:54:29,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 14:54:29,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 14:54:29,218 INFO L87 Difference]: Start difference. First operand 1657 states and 1995 transitions. Second operand 4 states. [2020-09-24 14:54:29,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:54:29,623 INFO L93 Difference]: Finished difference Result 3391 states and 4111 transitions. [2020-09-24 14:54:29,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 14:54:29,623 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 192 [2020-09-24 14:54:29,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:54:29,638 INFO L225 Difference]: With dead ends: 3391 [2020-09-24 14:54:29,638 INFO L226 Difference]: Without dead ends: 2879 [2020-09-24 14:54:29,641 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 14:54:29,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2879 states. [2020-09-24 14:54:29,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2879 to 1671. [2020-09-24 14:54:29,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1671 states. [2020-09-24 14:54:29,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 2014 transitions. [2020-09-24 14:54:29,703 INFO L78 Accepts]: Start accepts. Automaton has 1671 states and 2014 transitions. Word has length 192 [2020-09-24 14:54:29,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:54:29,704 INFO L479 AbstractCegarLoop]: Abstraction has 1671 states and 2014 transitions. [2020-09-24 14:54:29,704 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 14:54:29,704 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 2014 transitions. [2020-09-24 14:54:29,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-09-24 14:54:29,708 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:54:29,709 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:54:29,709 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-24 14:54:29,709 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ssl3_connectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:54:29,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:54:29,710 INFO L82 PathProgramCache]: Analyzing trace with hash 192610461, now seen corresponding path program 1 times [2020-09-24 14:54:29,710 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:54:29,710 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [979422243] [2020-09-24 14:54:29,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:54:29,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-24 14:54:29,746 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-24 14:54:29,747 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-24 14:54:29,752 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-24 14:54:29,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 02:54:29 BoogieIcfgContainer [2020-09-24 14:54:29,784 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 14:54:29,788 INFO L168 Benchmark]: Toolchain (without parser) took 6378.45 ms. Allocated memory was 141.0 MB in the beginning and 332.9 MB in the end (delta: 191.9 MB). Free memory was 102.4 MB in the beginning and 122.8 MB in the end (delta: -20.4 MB). Peak memory consumption was 171.5 MB. Max. memory is 7.1 GB. [2020-09-24 14:54:29,789 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 14:54:29,790 INFO L168 Benchmark]: CACSL2BoogieTranslator took 575.25 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 101.8 MB in the beginning and 179.5 MB in the end (delta: -77.7 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2020-09-24 14:54:29,790 INFO L168 Benchmark]: Boogie Preprocessor took 67.03 ms. Allocated memory is still 203.9 MB. Free memory was 179.5 MB in the beginning and 177.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2020-09-24 14:54:29,791 INFO L168 Benchmark]: RCFGBuilder took 1012.20 ms. Allocated memory is still 203.9 MB. Free memory was 177.0 MB in the beginning and 116.5 MB in the end (delta: 60.4 MB). Peak memory consumption was 60.4 MB. Max. memory is 7.1 GB. [2020-09-24 14:54:29,792 INFO L168 Benchmark]: TraceAbstraction took 4714.08 ms. Allocated memory was 203.9 MB in the beginning and 332.9 MB in the end (delta: 129.0 MB). Free memory was 115.9 MB in the beginning and 122.8 MB in the end (delta: -6.9 MB). Peak memory consumption was 122.1 MB. Max. memory is 7.1 GB. [2020-09-24 14:54:29,795 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 575.25 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 101.8 MB in the beginning and 179.5 MB in the end (delta: -77.7 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 67.03 ms. Allocated memory is still 203.9 MB. Free memory was 179.5 MB in the beginning and 177.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1012.20 ms. Allocated memory is still 203.9 MB. Free memory was 177.0 MB in the beginning and 116.5 MB in the end (delta: 60.4 MB). Peak memory consumption was 60.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4714.08 ms. Allocated memory was 203.9 MB in the beginning and 332.9 MB in the end (delta: 129.0 MB). Free memory was 115.9 MB in the beginning and 122.8 MB in the end (delta: -6.9 MB). Peak memory consumption was 122.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 614]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 301. Possible FailurePath: [L623] int __retres1 ; [L627] CALL ssl3_connect() [L9] int s__info_callback = __VERIFIER_nondet_int(); [L10] unsigned int s__in_handshake = __VERIFIER_nondet_uint(); [L11] int s__state ; [L12] int s__new_session ; [L13] int s__server ; [L14] unsigned int s__version = __VERIFIER_nondet_uint(); [L15] int s__type ; [L16] int s__init_num ; [L17] int s__bbio = __VERIFIER_nondet_int(); [L18] int s__wbio = __VERIFIER_nondet_int(); [L19] int s__hit = __VERIFIER_nondet_int(); [L20] int s__rwstate ; [L21] int s__init_buf___0 ; [L22] int s__debug = __VERIFIER_nondet_int(); [L23] int s__shutdown ; [L24] int s__ctx__info_callback = __VERIFIER_nondet_int(); [L25] unsigned int s__ctx__stats__sess_connect_renegotiate ; [L26] unsigned int s__ctx__stats__sess_connect ; [L27] unsigned int s__ctx__stats__sess_hit = __VERIFIER_nondet_uint(); [L28] unsigned int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_uint(); [L29] int s__s3__change_cipher_spec ; [L30] int s__s3__flags ; [L31] int s__s3__delay_buf_pop_ret ; [L32] int s__s3__tmp__cert_req = __VERIFIER_nondet_int(); [L33] int s__s3__tmp__new_compression = __VERIFIER_nondet_int(); [L34] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int(); [L35] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int(); [L36] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int(); [L37] int s__s3__tmp__next_state___0 ; [L38] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int(); [L39] int s__session__cipher ; [L40] int s__session__compress_meth ; [L41] int buf ; [L42] unsigned long tmp ; [L43] unsigned long l ; [L44] int num1 ; [L45] int cb ; [L46] int ret ; [L47] int new_state ; [L48] int state ; [L49] int skip ; [L50] int tmp___0 ; [L51] unsigned int tmp___1 = __VERIFIER_nondet_uint(); [L52] unsigned int tmp___2 = __VERIFIER_nondet_uint(); [L53] int tmp___3 = __VERIFIER_nondet_int(); [L54] int tmp___4 = __VERIFIER_nondet_int(); [L55] int tmp___5 = __VERIFIER_nondet_int(); [L56] int tmp___6 = __VERIFIER_nondet_int(); [L57] int tmp___7 = __VERIFIER_nondet_int(); [L58] int tmp___8 = __VERIFIER_nondet_int(); [L59] int tmp___9 = __VERIFIER_nondet_int(); [L60] int blastFlag ; [L61] int ag_X ; [L62] int ag_Y ; [L63] int ag_Z ; [L64] int __retres60 ; [L67] s__state = 12292 [L68] blastFlag = 0 [L69] tmp = __VERIFIER_nondet_int() [L70] cb = 0 [L71] ret = -1 [L72] skip = 0 [L73] tmp___0 = 0 [L74] COND TRUE s__info_callback != 0 [L75] cb = s__info_callback [L83] s__in_handshake = s__in_handshake + 1 [L84] COND FALSE !(tmp___1 + 12288) [L93] COND TRUE \read(s__hit) [L94] ag_Y = 208 [L99] COND TRUE 1 [L101] state = s__state [L102] COND TRUE s__state == 12292 [L205] s__new_session = 1 [L206] s__state = 4096 [L207] s__ctx__stats__sess_connect_renegotiate = s__ctx__stats__sess_connect_renegotiate + 1 [L212] s__server = 0 [L213] COND TRUE cb != 0 [L218] COND FALSE !(s__version + 65280 != 768) [L224] s__type = 4096 [L225] COND FALSE !((unsigned long )s__init_buf___0 == (unsigned long )((void *)0)) [L243] COND FALSE !(! tmp___4) [L249] COND FALSE !(! tmp___5) [L255] s__state = 4368 [L256] s__ctx__stats__sess_connect = s__ctx__stats__sess_connect + 1 [L257] s__init_num = 0 [L572] COND FALSE !(! s__s3__tmp__reuse_message) [L601] skip = 0 [L99] COND TRUE 1 [L101] state = s__state [L102] COND FALSE !(s__state == 12292) [L105] COND FALSE !(s__state == 16384) [L108] COND FALSE !(s__state == 4096) [L111] COND FALSE !(s__state == 20480) [L114] COND FALSE !(s__state == 4099) [L117] COND TRUE s__state == 4368 [L261] s__shutdown = 0 [L262] ret = __VERIFIER_nondet_int() [L263] COND TRUE blastFlag == 0 [L264] blastFlag = 1 [L268] COND FALSE !(ret <= 0) [L273] s__state = 4384 [L274] ag_X = s__state - 32 [L275] s__init_num = 0 [L276] COND FALSE !((unsigned long )s__bbio != (unsigned long )s__wbio) [L572] COND FALSE !(! s__s3__tmp__reuse_message) [L601] skip = 0 [L99] COND TRUE 1 [L101] state = s__state [L102] COND FALSE !(s__state == 12292) [L105] COND FALSE !(s__state == 16384) [L108] COND FALSE !(s__state == 4096) [L111] COND FALSE !(s__state == 20480) [L114] COND FALSE !(s__state == 4099) [L117] COND FALSE !(s__state == 4368) [L120] COND FALSE !(s__state == 4369) [L123] COND TRUE s__state == 4384 [L284] ret = __VERIFIER_nondet_int() [L285] COND TRUE blastFlag == 1 [L286] blastFlag = 2 [L294] COND FALSE !(ret <= 0) [L299] s__state = ag_X [L300] COND TRUE \read(s__hit) [L301] s__state = s__state | ag_Y [L305] s__init_num = 0 [L572] COND FALSE !(! s__s3__tmp__reuse_message) [L601] skip = 0 [L99] COND TRUE 1 [L101] state = s__state [L102] COND FALSE !(s__state == 12292) [L105] COND FALSE !(s__state == 16384) [L108] COND FALSE !(s__state == 4096) [L111] COND FALSE !(s__state == 20480) [L114] COND FALSE !(s__state == 4099) [L117] COND FALSE !(s__state == 4368) [L120] COND FALSE !(s__state == 4369) [L123] COND FALSE !(s__state == 4384) [L126] COND FALSE !(s__state == 4385) [L129] COND FALSE !(s__state == 4400) [L132] COND FALSE !(s__state == 4401) [L135] COND FALSE !(s__state == 4416) [L138] COND FALSE !(s__state == 4417) [L141] COND TRUE s__state == 4432 [L351] ret = __VERIFIER_nondet_int() [L352] COND TRUE blastFlag <= 5 [L614] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 350 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.5s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4656 SDtfs, 1987 SDslu, 3872 SDs, 0 SdLazy, 851 SolverSat, 127 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1671occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 1554 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1984 NumberOfCodeBlocks, 1984 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1771 ConstructedInterpolants, 0 QuantifiedInterpolants, 407276 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 129/129 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...